Refrigeration and Air Conditioning Air refrigeration operates on Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Decrease in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by ( O.P.)R + 1 O.P.)P = ( O.P)R O.P.)P = ( ( ( O.P)R - 1 O.P)P = ( O.P.)R + 2 ( O.P)P = ( ( O.P.)R + 1 O.P.)P = ( O.P)R O.P.)P = ( ( ( O.P)R - 1 O.P)P = ( O.P.)R + 2 ( O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator used in household refrigerators is None of these Non-frosting evaporator Frosting evaporator Defrosting evaporator None of these Non-frosting evaporator Frosting evaporator Defrosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -95.2°C -135.8°C -86.6°C -107.7°C -95.2°C -135.8°C -86.6°C -107.7°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Higher critical temperature High boiling point Tow specific heat of liquid High latent heat of vaporisation Higher critical temperature High boiling point Tow specific heat of liquid High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP